Base | Representation |
---|---|
bin | 100101100111010001… |
… | …011000000101011111 |
3 | 10212020122212010110000 |
4 | 211213101120011133 |
5 | 1130203123022030 |
6 | 30315332145343 |
7 | 2626556335116 |
oct | 454721300537 |
9 | 125218763400 |
10 | 40387314015 |
11 | 16145649874 |
12 | 79b1768253 |
13 | 3a683a1859 |
14 | 1d51bccc7d |
15 | 10b59e1860 |
hex | 96745815f |
40387314015 has 80 divisors (see below), whose sum is σ = 73775028096. Its totient is φ = 21132057600.
The previous prime is 40387314013. The next prime is 40387314043. The reversal of 40387314015 is 51041378304.
It is a happy number.
40387314015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 40387314015 - 21 = 40387314013 is a prime.
It is a super-2 number, since 2×403873140152 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40387314013) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 10645959 + ... + 10649751.
Almost surely, 240387314015 is an apocalyptic number.
40387314015 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
40387314015 is a deficient number, since it is larger than the sum of its proper divisors (33387714081).
40387314015 is a wasteful number, since it uses less digits than its factorization.
40387314015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4302 (or 4293 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 36.
It can be divided in two parts, 4038731 and 4015, that added together give a triangular number (4042746 = T2843).
The spelling of 40387314015 in words is "forty billion, three hundred eighty-seven million, three hundred fourteen thousand, fifteen".
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